ETQ-P3H0R4BFA Inductors, Coils, Chokes

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Fixed inductors are electronic components used to store electrical energy in an electric field and also to convert electrical energy into magnetic energy. ETQ-P3H0R4BFA is one type of fixed inductor. It has many application fields and a graceful working principle.

Application Field

ETQ-P3H0R4BFA can be widely used in many applications, such as frequency conversion, uninterruptible power supply (UPS), switch mode power supply (SMPS), AC motor starters, AC inverters, and regulated DC/DC power supplies.

ETQ-P3H0R4BFA is specially designed for miniaturized power supply system. Its compact construction, small magnitude, and a high degree of self-resonance make it perfectly suited for many types of switching power supply.

ETQ-P3H0R4BFA is also suitable for any type of RF (radio frequency) circuit, including RF amplifiers, transmitters, receivers, and signal processors. ETQ-P3H0R4BFA can be used as a tuned filter in frequency-sensitive RF circuits and as a impedance transformer in radio frequency impedance matching networks.

Working Principle

ETQ-P3H0R4BFA works as a back-up inductor. Its function is to supply stored energy during short periods of time when a high power load is drawn out from the main power supply. When the load power is higher than the power supply current, ETQ-P3H0R4BFA inductor absorbs and stores the excess energy for later release.

ETQ-P3H0R4BFA has a self-resonant frequency of about 13 MHz. Its structure is composed of an inductor winding and a core. The inductor winding is a coil of wire surrounded by the core, which is usually made of ferrite material. When the power is on, the inductor absorbs the energy and stores it in the form of magnetic energy in the core.

When the power draw is higher than what is currently supplied by the power supply, ETQ-P3H0R4BFA inductor releases the stored energy and supplies it to the circuit. This process is known as inductive energy absorption and release. The inductor maintains a relatively constant inductance during the whole process, which is the basic characteristic of fixed inductors.

ETQ-P3H0R4BFA has many advantages. It can be used in various applications, it has a small core size, it has a high self-resonant frequency, it is low cost, and it also has a long inductive lifetime. Furthermore, it has a low power loss, making it extremely efficient.

In conclusion, ETQ-P3H0R4BFA is an extremely versatile fixed inductor with a multitude of application fields and a graceful working principle. Its small size and high self-resonance make it a perfect choice for many types of power supply systems, as well as RF circuits.

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